MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 390949c73b14c735f1e18c0b86780320ba7ff485128118a7ebd2b458ba987ba7. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Formbook


Vendor detections: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 390949c73b14c735f1e18c0b86780320ba7ff485128118a7ebd2b458ba987ba7
SHA3-384 hash: eff6e9384a121fc7612699dd271828a6803a55548ea019be97ae82cfda44cda446af8e2d81d7ebeee2360ff66af587ab
SHA1 hash: cddadf9100d6e64292ec7727a68dd9b659ca4fc8
MD5 hash: 7c2bf2746f521e49ec599314b4132a51
humanhash: india-florida-neptune-comet
File name:Request for Quotation.pdf.exe
Download: download sample
Signature Formbook
File size:683'008 bytes
First seen:2023-07-28 08:48:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Kp1gjjJxNtBmxRV4j9OuLV+sezYRTOx0tre5tbXJthXl:KrgjjJxdLIdw6x+2XJD
TLSH T138E4F051F22C1F97D87A57F90C24E20487B6BB6E512CE6492CF278CB2572BD10986F27
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
304
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Request for Quotation.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-07-28 08:51:46 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching cmd.exe command interpreter
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1281729 Sample: Request_for_Quotation.pdf.exe Startdate: 28/07/2023 Architecture: WINDOWS Score: 100 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus detection for URL or domain 2->72 74 10 other signatures 2->74 10 Request_for_Quotation.pdf.exe 7 2->10         started        14 DzdxBxjpR.exe 5 2->14         started        process3 file4 48 C:\Users\user\AppData\Roaming\DzdxBxjpR.exe, PE32 10->48 dropped 50 C:\Users\...\DzdxBxjpR.exe:Zone.Identifier, ASCII 10->50 dropped 52 C:\Users\user\AppData\Local\...\tmp9E1D.tmp, XML 10->52 dropped 54 C:\...\Request_for_Quotation.pdf.exe.log, ASCII 10->54 dropped 82 Uses schtasks.exe or at.exe to add and modify task schedules 10->82 84 Adds a directory exclusion to Windows Defender 10->84 86 Tries to detect virtualization through RDTSC time measurements 10->86 88 Injects a PE file into a foreign processes 10->88 16 Request_for_Quotation.pdf.exe 10->16         started        19 powershell.exe 19 10->19         started        21 schtasks.exe 1 10->21         started        90 Antivirus detection for dropped file 14->90 92 Multi AV Scanner detection for dropped file 14->92 94 Machine Learning detection for dropped file 14->94 23 DzdxBxjpR.exe 14->23         started        25 schtasks.exe 1 14->25         started        27 DzdxBxjpR.exe 14->27         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 16->60 62 Maps a DLL or memory area into another process 16->62 64 Sample uses process hollowing technique 16->64 66 Queues an APC in another process (thread injection) 16->66 29 explorer.exe 1 16->29 injected 33 conhost.exe 19->33         started        35 conhost.exe 21->35         started        37 conhost.exe 25->37         started        process8 dnsIp9 56 www.ra89.info 188.114.96.7, 49721, 80 CLOUDFLARENETUS European Union 29->56 58 www.75958.site 38.173.94.91, 49720, 80 COGENT-174US United States 29->58 96 System process connects to network (likely due to code injection or exploit) 29->96 39 wscript.exe 29->39         started        42 cmd.exe 29->42         started        signatures10 process11 signatures12 76 Modifies the context of a thread in another process (thread injection) 39->76 78 Maps a DLL or memory area into another process 39->78 80 Tries to detect virtualization through RDTSC time measurements 39->80 44 cmd.exe 39->44         started        process13 process14 46 conhost.exe 44->46         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-07-28 08:49:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:oi24 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
b016b0edb24a2397f451381ad793e0bfd49920f90ab045052406eddb18e2261d
MD5 hash:
0919ed7728763a05a6f14cc7227189aa
SHA1 hash:
f73a3d16c0cc89344052feb96511aff1a9f69f84
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
177d76e5bcf36f39d31aa67c5b60811e6b7566719cca1f1a4d8b7743af59c1cd
MD5 hash:
c469e3586a87c939a5c68d9ce848d0ef
SHA1 hash:
dff599f1ae56ad26a715f2ef5c94902ee85c05c8
SH256 hash:
bfcdd303ae2bf038828cd263c3a5974e72b5761b3f18c15d969b213fbb97668a
MD5 hash:
32f15be4c6299f71c30246954f1d0ac9
SHA1 hash:
c730a2412e463624ebfa239436ca789fdd21567b
SH256 hash:
28f47f18ae8466673ee87ba144a9fe63ea2ed5ee3fad610ad938db1c98f00298
MD5 hash:
98ea686554a02bf4ae9dbf2ed087cd1c
SHA1 hash:
436d1042f56b40eff60df7bc136ffbe6a55e4f03
SH256 hash:
390949c73b14c735f1e18c0b86780320ba7ff485128118a7ebd2b458ba987ba7
MD5 hash:
7c2bf2746f521e49ec599314b4132a51
SHA1 hash:
cddadf9100d6e64292ec7727a68dd9b659ca4fc8
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 390949c73b14c735f1e18c0b86780320ba7ff485128118a7ebd2b458ba987ba7

(this sample)

  
Delivery method
Distributed via e-mail attachment

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